Radeon RX 7900 XT vs RX 6900 XTX

VS

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the rankingnot rated14
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data37.78
Power efficiencyno data17.18
ArchitectureRDNA 2.0 (2020−2024)RDNA 3.0 (2022−2024)
GPU code nameNavi 21Navi 31
Market segmentDesktopDesktop
Release date28 October 2020 (4 years ago)3 November 2022 (2 years ago)
Launch price (MSRP)no data$899

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores51205376
Core clock speed2075 MHz1387 MHz
Boost clock speed2435 MHz2394 MHz
Number of transistors26,800 million57,700 million
Manufacturing process technology7 nm5 nm
Power consumption (TDP)330 Watt300 Watt
Texture fill rate779.2804.4
Floating-point processing power24.93 TFLOPS51.48 TFLOPS
ROPs128192
TMUs320336
Ray Tracing Cores8084

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

InterfacePCIe 4.0 x16PCIe 4.0 x16
Length267 mm276 mm
Width2-slot2-slot
Supplementary power connectors2x 8-pin2x 8-pin

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeGDDR6GDDR6
Maximum RAM amount16 GB20 GB
Memory bus width256 Bit320 Bit
Memory clock speed2250 MHz2500 MHz
Memory bandwidth576.0 GB/s800.0 GB/s
Shared memory--

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display Connectors1x HDMI 2.1, 2x DisplayPort 1.4a, 1x USB Type-C1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C
HDMI++

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX12 Ultimate (12_2)12 Ultimate (12_2)
Shader Model6.76.7
OpenGL4.64.6
OpenCL2.12.2
Vulkan1.31.3

Pros & cons summary


Recency 28 October 2020 3 November 2022
Maximum RAM amount 16 GB 20 GB
Chip lithography 7 nm 5 nm
Power consumption (TDP) 330 Watt 300 Watt

RX 7900 XT has an age advantage of 2 years, a 25% higher maximum VRAM amount, a 40% more advanced lithography process, and 10% lower power consumption.

We couldn't decide between Radeon RX 6900 XTX and Radeon RX 7900 XT. We've got no test results to judge.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


AMD Radeon RX 6900 XTX
Radeon RX 6900 XTX
AMD Radeon RX 7900 XT
Radeon RX 7900 XT

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


3.2 128 votes

Rate Radeon RX 6900 XTX on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.2 1794 votes

Rate Radeon RX 7900 XT on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.